Comment 5 for bug 1049282

FWIW, it happens with:
$ apt-cache policy indicator-multiload
indicator-multiload:
  Installed: 0.3-0+66~32~17~precise1
  Candidate: 0.3-0+66~32~17~precise1
  Version table:
 *** 0.3-0+66~32~17~precise1 0
        500 http://ppa.launchpad.net/indicator-multiload/stable-daily/ubuntu/ precise/main amd64 Packages
        100 /var/lib/dpkg/status
     0.2-0ubuntu1 0
        500 http://us.archive.ubuntu.com/ubuntu/ precise/universe amd64 Packages

But not with:
$ apt-cache policy indicator-multiload
indicator-multiload:
  Installed: 0.2-0ubuntu1
  Candidate: 0.2-0ubuntu1
  Version table:
 *** 0.2-0ubuntu1 0
        500 http://us.archive.ubuntu.com/ubuntu/ precise/universe amd64 Packages
        100 /var/lib/dpkg/status